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报告自定义属性的声明中缺少的必需<a href="https://developer.mozilla.org/en-US/docs/web/css/@property/syntax">语法</a>、<a href="https://developer.mozilla.org/en-US/docs/web/css/@property/inherits">继承</a>或 <a href="https://developer.mozilla.org/en-US/docs/web/css/@property/initial-value">initial-value</a> 属性。
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